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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Fort Bend County Municipal Utility District 112

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND10ND
2016ND10ND
2017ND40ND
2018ND160ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-15AC50651ND
2014-04-15AC50654ND
2014-04-15AC50653ND
2014-06-03AC55796ND
2015-07-16AC99939ND
2016-09-13AD49175ND
2017-02-21AD71325ND
2017-02-21AD71327ND
2017-02-21AD71328ND
2017-07-11AD88885ND
2018-02-05AE12166ND
2018-02-05AE12180ND
2018-02-05AE12169ND
2018-02-05AE12163ND
2018-04-10AE21880ND
2018-04-10AE21873ND
2018-04-10AE21871ND
2018-04-10AE21856ND
2018-08-14AE36849ND
2018-08-14AE36847ND
2018-08-14AE36842ND
2018-08-14AE36848ND
2018-10-01AE42208ND
2018-10-01AE42215ND
2018-10-01AE42213ND
2018-10-01AE42207ND
2019-01-23AE50925ND
2019-01-23AE50918ND
2019-01-23AE50917ND
2019-01-23AE50916ND
2019-04-08AE61338ND
2019-04-08AE61350ND
2019-04-08AE61332ND
2019-04-08AE61357ND
2019-07-08AE73420ND
2019-07-08AE73407ND
2019-07-08AE73405ND
2019-07-08AE73412ND
2019-10-09AE86116ND
2019-10-09AE86111ND
2019-10-09AE86115ND
2019-10-09AE86112ND